package com.lgy.service;

import com.lgy.dto.OrderDTO;
import com.lgy.exception.SellException;

public interface BuyerService {

    // 查询一个订单
    OrderDTO findOrderOne(String openid, String orderId) throws SellException;

    // 取消订单
    OrderDTO cancelOrder(String openid, String orderId) throws SellException;
}
